NE200/300 Series Drive User Manual
192 Chapter 7 Fault information and solution
Trip
code
Trip Type
Possible causes Solutions
pre-alarm
error
output current is
higher than set
pre-alarm threshold
function(FC.19=0)
2. Increase pre-alarm
threshold value (FC.02)
3. Increase pre-alarm
detection time(FC.03)
7.2 Warning information
Once warning information is detected, the NE200/300 series of
frequency converter would immediately enter the warning indicating state
and giving out warning codes on LED display. During warning the drive
keeps running and returns to previous normal status once the warning is
gone. Specific warning information is shown in Table 7-2
Note:
A Warning code with a sign
③
indicates this warning code is only for
NE300
Table 7-2 warning information
Warning
Code
Type Description
Uu
Warning of
under-voltage
The bus voltage is below the voltage point
OLP2
The pre-warning about
overload of drive
Operating current exceeded the converter
overload pre-detection level and maintained
more than pre-overload detection time
OH2
Heat-sink temperature
is high
Temperature in the radiator higher than the
OH2 standard
SF3
③
Function codes setup
is not appropriate
Output terminal DO, Y1, Y2 does not
simultaneously select No.10 function
7.3 The general fault diagnosis and solutions
Following abnormal situations might happen in using of the drive. Try to
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